4019275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 5468400

約数和(自身を除く): 1449125

約数列:

[1, 5, 13, 25, 65, 83, 149, 325, 415, 745, 1079, 1937, 2075, 3725, 5395, 9685, 12367, 26975, 48425, 61835, 160771, 309175, 803855, 4019275]

約数ペア:

[(1, 4019275), (5, 803855), (13, 309175), (25, 160771), (65, 61835), (83, 48425), (149, 26975), (325, 12367), (415, 9685), (745, 5395), (1079, 3725), (1937, 2075)]